20345052940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1\times {\mathrm{2207}}^1$

素因数の和:3679

約数の個数: 96

約数和(自身を含む): 47673722880

約数和(自身を除く): 27328669940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1427, 1615, 2207, 2854, 3230, 4414, 5708, 6460, 7135, 8828, 11035, 14270, 22070, 24259, 27113, 28540, 37519, 41933, 44140, 48518, 54226, 75038, 83866, 97036, 108452, 121295, 135565, 150076, 167732, 187595, 209665, 242590, 271130, 375190, 419330, 460921, 485180, 542260, 712861, 750380, 838660, 921842, 1425722, 1843684, 2304605, 2851444, 3149389, 3564305, 4609210, 6298778, 7128610, 9218420, 12597556, 14257220, 15746945, 31493890, 53539613, 59838391, 62987780, 107079226, 119676782, 214158452, 239353564, 267698065, 299191955, 535396130, 598383910, 1017252647, 1070792260, 1196767820, 2034505294, 4069010588, 5086263235, 10172526470, 20345052940]

約数ペア:

[(1, 20345052940), (2, 10172526470), (4, 5086263235), (5, 4069010588), (10, 2034505294), (17, 1196767820), (19, 1070792260), (20, 1017252647), (34, 598383910), (38, 535396130), (68, 299191955), (76, 267698065), (85, 239353564), (95, 214158452), (170, 119676782), (190, 107079226), (323, 62987780), (340, 59838391), (380, 53539613), (646, 31493890), (1292, 15746945), (1427, 14257220), (1615, 12597556), (2207, 9218420), (2854, 7128610), (3230, 6298778), (4414, 4609210), (5708, 3564305), (6460, 3149389), (7135, 2851444), (8828, 2304605), (11035, 1843684), (14270, 1425722), (22070, 921842), (24259, 838660), (27113, 750380), (28540, 712861), (37519, 542260), (41933, 485180), (44140, 460921), (48518, 419330), (54226, 375190), (75038, 271130), (83866, 242590), (97036, 209665), (108452, 187595), (121295, 167732), (135565, 150076)]