20078629740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{660047}}^1$

素因数の和:660088

約数の個数: 108

約数和(自身を含む): 65950676064

約数和(自身を除く): 45872046324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7605, 10140, 15210, 30420, 660047, 1320094, 1980141, 2640188, 3300235, 3960282, 5940423, 6600470, 7920564, 8580611, 9900705, 11880846, 13200940, 17161222, 19801410, 23761692, 25741833, 29702115, 34322444, 39602820, 42903055, 51483666, 59404230, 77225499, 85806110, 102967332, 111547943, 118808460, 128709165, 154450998, 171612220, 223095886, 257418330, 308901996, 334643829, 386127495, 446191772, 514836660, 557739715, 669287658, 772254990, 1003931487, 1115479430, 1338575316, 1544509980, 1673219145, 2007862974, 2230958860, 3346438290, 4015725948, 5019657435, 6692876580, 10039314870, 20078629740]

約数ペア:

[(1, 20078629740), (2, 10039314870), (3, 6692876580), (4, 5019657435), (5, 4015725948), (6, 3346438290), (9, 2230958860), (10, 2007862974), (12, 1673219145), (13, 1544509980), (15, 1338575316), (18, 1115479430), (20, 1003931487), (26, 772254990), (30, 669287658), (36, 557739715), (39, 514836660), (45, 446191772), (52, 386127495), (60, 334643829), (65, 308901996), (78, 257418330), (90, 223095886), (117, 171612220), (130, 154450998), (156, 128709165), (169, 118808460), (180, 111547943), (195, 102967332), (234, 85806110), (260, 77225499), (338, 59404230), (390, 51483666), (468, 42903055), (507, 39602820), (585, 34322444), (676, 29702115), (780, 25741833), (845, 23761692), (1014, 19801410), (1170, 17161222), (1521, 13200940), (1690, 11880846), (2028, 9900705), (2340, 8580611), (2535, 7920564), (3042, 6600470), (3380, 5940423), (5070, 3960282), (6084, 3300235), (7605, 2640188), (10140, 1980141), (15210, 1320094), (30420, 660047)]