20867670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:646

約数の個数: 96

約数和(自身を含む): 60046272

約数和(自身を除く): 39178602

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 69, 85, 90, 102, 115, 138, 153, 170, 207, 230, 255, 306, 345, 391, 414, 510, 593, 690, 765, 782, 1035, 1173, 1186, 1530, 1779, 1955, 2070, 2346, 2965, 3519, 3558, 3910, 5337, 5865, 5930, 7038, 8895, 10081, 10674, 11730, 13639, 17595, 17790, 20162, 26685, 27278, 30243, 35190, 40917, 50405, 53370, 60486, 68195, 81834, 90729, 100810, 122751, 136390, 151215, 181458, 204585, 231863, 245502, 302430, 409170, 453645, 463726, 613755, 695589, 907290, 1159315, 1227510, 1391178, 2086767, 2318630, 3477945, 4173534, 6955890, 10433835, 20867670]

約数ペア:

[(1, 20867670), (2, 10433835), (3, 6955890), (5, 4173534), (6, 3477945), (9, 2318630), (10, 2086767), (15, 1391178), (17, 1227510), (18, 1159315), (23, 907290), (30, 695589), (34, 613755), (45, 463726), (46, 453645), (51, 409170), (69, 302430), (85, 245502), (90, 231863), (102, 204585), (115, 181458), (138, 151215), (153, 136390), (170, 122751), (207, 100810), (230, 90729), (255, 81834), (306, 68195), (345, 60486), (391, 53370), (414, 50405), (510, 40917), (593, 35190), (690, 30243), (765, 27278), (782, 26685), (1035, 20162), (1173, 17790), (1186, 17595), (1530, 13639), (1779, 11730), (1955, 10674), (2070, 10081), (2346, 8895), (2965, 7038), (3519, 5930), (3558, 5865), (3910, 5337)]