20187741470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{65551}}^1$

素因数の和:65697

約数の個数: 64

約数和(自身を含む): 41231683584

約数和(自身を除く): 21043942114

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 103, 115, 130, 206, 230, 299, 515, 598, 1030, 1339, 1495, 2369, 2678, 2990, 4738, 6695, 11845, 13390, 23690, 30797, 61594, 65551, 131102, 153985, 307970, 327755, 655510, 852163, 1507673, 1704326, 3015346, 4260815, 6751753, 7538365, 8521630, 13503506, 15076730, 19599749, 33758765, 39199498, 67517530, 87772789, 97998745, 155290319, 175545578, 195997490, 310580638, 438863945, 776451595, 877727890, 1552903190, 2018774147, 4037548294, 10093870735, 20187741470]

約数ペア:

[(1, 20187741470), (2, 10093870735), (5, 4037548294), (10, 2018774147), (13, 1552903190), (23, 877727890), (26, 776451595), (46, 438863945), (65, 310580638), (103, 195997490), (115, 175545578), (130, 155290319), (206, 97998745), (230, 87772789), (299, 67517530), (515, 39199498), (598, 33758765), (1030, 19599749), (1339, 15076730), (1495, 13503506), (2369, 8521630), (2678, 7538365), (2990, 6751753), (4738, 4260815), (6695, 3015346), (11845, 1704326), (13390, 1507673), (23690, 852163), (30797, 655510), (61594, 327755), (65551, 307970), (131102, 153985)]