20065950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 59366736

約数和(自身を除く): 39300786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 43, 45, 50, 51, 61, 75, 85, 86, 90, 102, 122, 129, 150, 153, 170, 183, 215, 225, 255, 258, 305, 306, 366, 387, 425, 430, 450, 510, 549, 610, 645, 731, 765, 774, 850, 915, 1037, 1075, 1098, 1275, 1290, 1462, 1525, 1530, 1830, 1935, 2074, 2150, 2193, 2550, 2623, 2745, 3050, 3111, 3225, 3655, 3825, 3870, 4386, 4575, 5185, 5246, 5490, 6222, 6450, 6579, 7310, 7650, 7869, 9150, 9333, 9675, 10370, 10965, 13115, 13158, 13725, 15555, 15738, 18275, 18666, 19350, 21930, 23607, 25925, 26230, 27450, 31110, 32895, 36550, 39345, 44591, 46665, 47214, 51850, 54825, 65575, 65790, 77775, 78690, 89182, 93330, 109650, 118035, 131150, 133773, 155550, 164475, 196725, 222955, 233325, 236070, 267546, 328950, 393450, 401319, 445910, 466650, 590175, 668865, 802638, 1114775, 1180350, 1337730, 2006595, 2229550, 3344325, 4013190, 6688650, 10032975, 20065950]

約数ペア:

[(1, 20065950), (2, 10032975), (3, 6688650), (5, 4013190), (6, 3344325), (9, 2229550), (10, 2006595), (15, 1337730), (17, 1180350), (18, 1114775), (25, 802638), (30, 668865), (34, 590175), (43, 466650), (45, 445910), (50, 401319), (51, 393450), (61, 328950), (75, 267546), (85, 236070), (86, 233325), (90, 222955), (102, 196725), (122, 164475), (129, 155550), (150, 133773), (153, 131150), (170, 118035), (183, 109650), (215, 93330), (225, 89182), (255, 78690), (258, 77775), (305, 65790), (306, 65575), (366, 54825), (387, 51850), (425, 47214), (430, 46665), (450, 44591), (510, 39345), (549, 36550), (610, 32895), (645, 31110), (731, 27450), (765, 26230), (774, 25925), (850, 23607), (915, 21930), (1037, 19350), (1075, 18666), (1098, 18275), (1275, 15738), (1290, 15555), (1462, 13725), (1525, 13158), (1530, 13115), (1830, 10965), (1935, 10370), (2074, 9675), (2150, 9333), (2193, 9150), (2550, 7869), (2623, 7650), (2745, 7310), (3050, 6579), (3111, 6450), (3225, 6222), (3655, 5490), (3825, 5246), (3870, 5185), (4386, 4575)]