20391750

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 160

約数和(自身を含む): 61158240

約数和(自身を除く): 40766490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 53, 54, 57, 75, 81, 90, 95, 106, 114, 125, 135, 150, 159, 162, 171, 190, 225, 250, 265, 270, 285, 318, 342, 375, 405, 450, 475, 477, 513, 530, 570, 675, 750, 795, 810, 855, 950, 954, 1007, 1026, 1125, 1325, 1350, 1425, 1431, 1539, 1590, 1710, 2014, 2025, 2250, 2375, 2385, 2565, 2650, 2850, 2862, 3021, 3078, 3375, 3975, 4050, 4275, 4293, 4750, 4770, 5035, 5130, 6042, 6625, 6750, 7125, 7155, 7695, 7950, 8550, 8586, 9063, 10070, 10125, 11925, 12825, 13250, 14250, 14310, 15105, 15390, 18126, 19875, 20250, 21375, 21465, 23850, 25175, 25650, 27189, 30210, 35775, 38475, 39750, 42750, 42930, 45315, 50350, 54378, 59625, 64125, 71550, 75525, 76950, 81567, 90630, 107325, 119250, 125875, 128250, 135945, 151050, 163134, 178875, 192375, 214650, 226575, 251750, 271890, 357750, 377625, 384750, 407835, 453150, 536625, 679725, 755250, 815670, 1073250, 1132875, 1359450, 2039175, 2265750, 3398625, 4078350, 6797250, 10195875, 20391750]

約数ペア:

[(1, 20391750), (2, 10195875), (3, 6797250), (5, 4078350), (6, 3398625), (9, 2265750), (10, 2039175), (15, 1359450), (18, 1132875), (19, 1073250), (25, 815670), (27, 755250), (30, 679725), (38, 536625), (45, 453150), (50, 407835), (53, 384750), (54, 377625), (57, 357750), (75, 271890), (81, 251750), (90, 226575), (95, 214650), (106, 192375), (114, 178875), (125, 163134), (135, 151050), (150, 135945), (159, 128250), (162, 125875), (171, 119250), (190, 107325), (225, 90630), (250, 81567), (265, 76950), (270, 75525), (285, 71550), (318, 64125), (342, 59625), (375, 54378), (405, 50350), (450, 45315), (475, 42930), (477, 42750), (513, 39750), (530, 38475), (570, 35775), (675, 30210), (750, 27189), (795, 25650), (810, 25175), (855, 23850), (950, 21465), (954, 21375), (1007, 20250), (1026, 19875), (1125, 18126), (1325, 15390), (1350, 15105), (1425, 14310), (1431, 14250), (1539, 13250), (1590, 12825), (1710, 11925), (2014, 10125), (2025, 10070), (2250, 9063), (2375, 8586), (2385, 8550), (2565, 7950), (2650, 7695), (2850, 7155), (2862, 7125), (3021, 6750), (3078, 6625), (3375, 6042), (3975, 5130), (4050, 5035), (4275, 4770), (4293, 4750)]