20528028045

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:737

約数の個数: 160

約数和(自身を含む): 42825404160

約数和(自身を除く): 22297376115

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 113, 135, 139, 189, 315, 339, 405, 417, 461, 565, 567, 695, 791, 945, 973, 1017, 1251, 1383, 1695, 2085, 2305, 2373, 2835, 2919, 3051, 3227, 3753, 3955, 4149, 4865, 5085, 6255, 6915, 7119, 8757, 9153, 9681, 11259, 11865, 12447, 14595, 15255, 15707, 16135, 18765, 20745, 21357, 26271, 29043, 35595, 37341, 43785, 45765, 47121, 48405, 52093, 56295, 62235, 64071, 64079, 78535, 78813, 87129, 106785, 109949, 131355, 141363, 145215, 156279, 186705, 192237, 235605, 260465, 261387, 320355, 320395, 329847, 364651, 394065, 424089, 435645, 448553, 468837, 549745, 576711, 706815, 781395, 961185, 989541, 1093953, 1272267, 1306935, 1345659, 1406511, 1649235, 1730133, 1823255, 2120445, 2242765, 2344185, 2883555, 2968623, 3281859, 4036977, 4219533, 4947705, 5190399, 5469765, 6361335, 6728295, 7032555, 7240927, 8650665, 8905869, 9845577, 12110931, 14843115, 16409295, 20184885, 21097665, 21722781, 25951995, 29536731, 36204635, 36332793, 44529345, 49227885, 50686489, 60554655, 65168343, 108613905, 147683655, 152059467, 181663965, 195505029, 253432445, 325841715, 456178401, 586515087, 760297335, 977525145, 1368535203, 2280892005, 2932575435, 4105605609, 6842676015, 20528028045]

約数ペア:

[(1, 20528028045), (3, 6842676015), (5, 4105605609), (7, 2932575435), (9, 2280892005), (15, 1368535203), (21, 977525145), (27, 760297335), (35, 586515087), (45, 456178401), (63, 325841715), (81, 253432445), (105, 195505029), (113, 181663965), (135, 152059467), (139, 147683655), (189, 108613905), (315, 65168343), (339, 60554655), (405, 50686489), (417, 49227885), (461, 44529345), (565, 36332793), (567, 36204635), (695, 29536731), (791, 25951995), (945, 21722781), (973, 21097665), (1017, 20184885), (1251, 16409295), (1383, 14843115), (1695, 12110931), (2085, 9845577), (2305, 8905869), (2373, 8650665), (2835, 7240927), (2919, 7032555), (3051, 6728295), (3227, 6361335), (3753, 5469765), (3955, 5190399), (4149, 4947705), (4865, 4219533), (5085, 4036977), (6255, 3281859), (6915, 2968623), (7119, 2883555), (8757, 2344185), (9153, 2242765), (9681, 2120445), (11259, 1823255), (11865, 1730133), (12447, 1649235), (14595, 1406511), (15255, 1345659), (15707, 1306935), (16135, 1272267), (18765, 1093953), (20745, 989541), (21357, 961185), (26271, 781395), (29043, 706815), (35595, 576711), (37341, 549745), (43785, 468837), (45765, 448553), (47121, 435645), (48405, 424089), (52093, 394065), (56295, 364651), (62235, 329847), (64071, 320395), (64079, 320355), (78535, 261387), (78813, 260465), (87129, 235605), (106785, 192237), (109949, 186705), (131355, 156279), (141363, 145215)]