20299110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 57286656

約数和(自身を除く): 36987546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 31, 39, 46, 62, 65, 69, 73, 78, 93, 115, 130, 138, 146, 155, 186, 195, 219, 230, 299, 310, 345, 365, 390, 403, 438, 465, 598, 690, 713, 730, 806, 897, 930, 949, 1095, 1209, 1426, 1495, 1679, 1794, 1898, 2015, 2139, 2190, 2263, 2418, 2847, 2990, 3358, 3565, 4030, 4278, 4485, 4526, 4745, 5037, 5694, 6045, 6789, 7130, 8395, 8970, 9269, 9490, 10074, 10695, 11315, 12090, 13578, 14235, 16790, 18538, 21390, 21827, 22630, 25185, 27807, 28470, 29419, 33945, 43654, 46345, 50370, 52049, 55614, 58838, 65481, 67890, 88257, 92690, 104098, 109135, 130962, 139035, 147095, 156147, 176514, 218270, 260245, 278070, 294190, 312294, 327405, 441285, 520490, 654810, 676637, 780735, 882570, 1353274, 1561470, 2029911, 3383185, 4059822, 6766370, 10149555, 20299110]

約数ペア:

[(1, 20299110), (2, 10149555), (3, 6766370), (5, 4059822), (6, 3383185), (10, 2029911), (13, 1561470), (15, 1353274), (23, 882570), (26, 780735), (30, 676637), (31, 654810), (39, 520490), (46, 441285), (62, 327405), (65, 312294), (69, 294190), (73, 278070), (78, 260245), (93, 218270), (115, 176514), (130, 156147), (138, 147095), (146, 139035), (155, 130962), (186, 109135), (195, 104098), (219, 92690), (230, 88257), (299, 67890), (310, 65481), (345, 58838), (365, 55614), (390, 52049), (403, 50370), (438, 46345), (465, 43654), (598, 33945), (690, 29419), (713, 28470), (730, 27807), (806, 25185), (897, 22630), (930, 21827), (949, 21390), (1095, 18538), (1209, 16790), (1426, 14235), (1495, 13578), (1679, 12090), (1794, 11315), (1898, 10695), (2015, 10074), (2139, 9490), (2190, 9269), (2263, 8970), (2418, 8395), (2847, 7130), (2990, 6789), (3358, 6045), (3565, 5694), (4030, 5037), (4278, 4745), (4485, 4526)]