20237559832

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1129}}^1$

素因数の和:2169

約数の個数: 128

約数和(自身を含む): 48425472000

約数和(自身を除く): 28187912168

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 991, 1064, 1129, 1292, 1982, 2258, 2261, 2584, 3964, 4516, 4522, 6937, 7903, 7928, 9032, 9044, 13874, 15806, 16847, 18088, 18829, 19193, 21451, 27748, 31612, 33694, 37658, 38386, 42902, 55496, 63224, 67388, 75316, 76772, 85804, 117929, 131803, 134351, 134776, 150157, 150632, 153544, 171608, 235858, 263606, 268702, 300314, 320093, 364667, 471716, 527212, 537404, 600628, 640186, 729334, 943432, 1054424, 1074808, 1118839, 1201256, 1280372, 1458668, 2237678, 2240651, 2552669, 2560744, 2917336, 4475356, 4481302, 5105338, 7831873, 8950712, 8962604, 10210676, 15663746, 17925208, 19020263, 20421352, 21257941, 31327492, 38040526, 42515882, 62654984, 76081052, 85031764, 133141841, 148805587, 152162104, 170063528, 266283682, 297611174, 361384997, 532567364, 595222348, 722769994, 1065134728, 1190444696, 1445539988, 2529694979, 2891079976, 5059389958, 10118779916, 20237559832]

約数ペア:

[(1, 20237559832), (2, 10118779916), (4, 5059389958), (7, 2891079976), (8, 2529694979), (14, 1445539988), (17, 1190444696), (19, 1065134728), (28, 722769994), (34, 595222348), (38, 532567364), (56, 361384997), (68, 297611174), (76, 266283682), (119, 170063528), (133, 152162104), (136, 148805587), (152, 133141841), (238, 85031764), (266, 76081052), (323, 62654984), (476, 42515882), (532, 38040526), (646, 31327492), (952, 21257941), (991, 20421352), (1064, 19020263), (1129, 17925208), (1292, 15663746), (1982, 10210676), (2258, 8962604), (2261, 8950712), (2584, 7831873), (3964, 5105338), (4516, 4481302), (4522, 4475356), (6937, 2917336), (7903, 2560744), (7928, 2552669), (9032, 2240651), (9044, 2237678), (13874, 1458668), (15806, 1280372), (16847, 1201256), (18088, 1118839), (18829, 1074808), (19193, 1054424), (21451, 943432), (27748, 729334), (31612, 640186), (33694, 600628), (37658, 537404), (38386, 527212), (42902, 471716), (55496, 364667), (63224, 320093), (67388, 300314), (75316, 268702), (76772, 263606), (85804, 235858), (117929, 171608), (131803, 153544), (134351, 150632), (134776, 150157)]